{"id":19751,"date":"2025-09-30T19:56:00","date_gmt":"2025-09-30T19:56:00","guid":{"rendered":"http:\/\/localhost\/?p=19751"},"modified":"2025-09-30T19:56:00","modified_gmt":"2025-09-30T19:56:00","slug":"out-of-bounds-read-write-in-rfc-3211-kek-unwrap","status":"publish","type":"post","link":"https:\/\/zero.redgem.net\/?p=19751","title":{"rendered":"Out-of-bounds read &#038; write in RFC 3211 KEK Unwrap_CVE-2025-9230"},"content":{"rendered":"<p>{&#8220;lastseen&#8221;:&#8221;&#8221;,&#8221;description&#8221;:&#8221;Issue summary: An application trying to decrypt CMS messages encrypted using\\npassword based encryption can trigger an out-of-bounds read and write.\\n\\nImpact summary: This out-of-bounds read may trigger a crash which leads to\\nDenial of Service for an application. The out-of-bounds write can cause\\na memory corruption which can have various consequences including\\na Denial of Service or Execution of attacker-supplied code.\\n\\nAlthough the consequences of a successful exploit of this vulnerability\\ncould be severe, the probability that the attacker would be able to\\nperform it is low. Besides, password based (PWRI) encryption support in CMS\\nmessages is very rarely used. For that reason the issue was assessed as\\nModerate severity according to our Security Policy.\\n\\nThe FIPS modules in 3.5, 3.4, 3.3, 3.2, 3.1 and 3.0 are not affected by this\\nissue, as the CMS implementation is outside the OpenSSL FIPS module\\nboundary.&#8221;,&#8221;published&#8221;:&#8221;2025-09-30T13:17:00.808Z&#8221;,&#8221;modified&#8221;:&#8221;2025-09-30T19:30:29.803Z&#8221;,&#8221;type&#8221;:&#8221;cve&#8221;,&#8221;title&#8221;:&#8221;Out-of-bounds read \\u0026 write in RFC 3211 KEK Unwrap&#8221;,&#8221;source&#8221;:&#8221;openssl&#8221;,&#8221;references&#8221;:&#8221;https:\/\/openssl-library.org\/news\/secadv\/20250930.txt\\nhttps:\/\/github.com\/openssl\/openssl\/commit\/bae259a211ada6315dc50900686daaaaaa55f482\\nhttps:\/\/github.com\/openssl\/openssl\/commit\/9e91358f365dee6c446dcdcdb01c04d2743fd280\\nhttps:\/\/github.com\/openssl\/openssl\/commit\/5965ea5dd6960f36d8b7f74f8eac67a8eb8f2b45\\nhttps:\/\/github.com\/openssl\/openssl\/commit\/b5282d677551afda7d20e9c00e09561b547b2dfd\\nhttps:\/\/github.com\/openssl\/openssl\/commit\/a79c4ce559c6a3a8fd4109e9f33c1185d5bf2def\\nhttps:\/\/github.openssl.org\/openssl\/extended-releases\/commit\/dfbaf161d8dafc1132dd88cd48ad990ed9b4c8ba\\nhttps:\/\/github.openssl.org\/openssl\/extended-releases\/commit\/c2b96348bfa662f25f4fabf81958ae822063dae3&#8243;,&#8221;id&#8221;:&#8221;CVE-2025-9230&#8243;,&#8221;bulletinFamily&#8221;:&#8221;&#8221;,&#8221;cwe&#8221;:[&#8220;CWE-125&#8243;,&#8221;CWE-787&#8243;],&#8221;cvelist&#8221;:null,&#8221;sourceData&#8221;:&#8221;OpenSSL OpenSSL 3.5.0\\nOpenSSL OpenSSL 3.4.0\\nOpenSSL OpenSSL 3.3.0\\nOpenSSL OpenSSL 3.2.0\\nOpenSSL OpenSSL 3.0.0\\nOpenSSL OpenSSL 1.1.1\\nOpenSSL OpenSSL 1.0.2&#8243;,&#8221;sourceHref&#8221;:&#8221;&#8221;,&#8221;cvss&#8221;:{&#8220;score&#8221;:7.5,&#8221;severity&#8221;:&#8221;HIGH&#8221;,&#8221;vector&#8221;:&#8221;CVSS:3.1\/AV:N\/AC:L\/PR:N\/UI:N\/S:U\/C:N\/I:N\/A:H&#8221;,&#8221;version&#8221;:&#8221;3.1&#8243;},&#8221;cvss2&#8243;:{},&#8221;cvss3&#8243;:{&#8220;version&#8221;:&#8221;&#8221;,&#8221;vectorString&#8221;:&#8221;&#8221;,&#8221;baseScore&#8221;:0,&#8221;baseSeverity&#8221;:&#8221;&#8221;,&#8221;attackVector&#8221;:&#8221;&#8221;,&#8221;attackComplexity&#8221;:&#8221;&#8221;,&#8221;privilegesRequired&#8221;:&#8221;&#8221;,&#8221;userInteraction&#8221;:&#8221;&#8221;,&#8221;scope&#8221;:&#8221;&#8221;,&#8221;confidentialityImpact&#8221;:&#8221;&#8221;,&#8221;integrityImpact&#8221;:&#8221;&#8221;,&#8221;availabilityImpact&#8221;:&#8221;&#8221;,&#8221;cvssV3&#8243;:{&#8220;version&#8221;:&#8221;&#8221;,&#8221;vectorString&#8221;:&#8221;&#8221;,&#8221;baseScore&#8221;:0,&#8221;baseSeverity&#8221;:&#8221;&#8221;,&#8221;attackVector&#8221;:&#8221;&#8221;,&#8221;attackComplexity&#8221;:&#8221;&#8221;,&#8221;privilegesRequired&#8221;:&#8221;&#8221;,&#8221;userInteraction&#8221;:&#8221;&#8221;,&#8221;scope&#8221;:&#8221;&#8221;,&#8221;confidentialityImpact&#8221;:&#8221;&#8221;,&#8221;integrityImpact&#8221;:&#8221;&#8221;,&#8221;availabilityImpact&#8221;:&#8221;&#8221;}},&#8221;href&#8221;:&#8221;&#8221;,&#8221;category_name&#8221;:&#8221;CVE&#8221;,&#8221;post_link&#8221;:&#8221;&#8221;,&#8221;product&#8221;:&#8221;OpenSSL&#8221;,&#8221;version&#8221;:&#8221;3.5.0&#8243;,&#8221;vendor&#8221;:&#8221;OpenSSL&#8221;,&#8221;ai_description&#8221;:&#8221;&#8221;,&#8221;ai_severity&#8221;:&#8221;&#8221;,&#8221;ai_vendor&#8221;:&#8221;&#8221;,&#8221;ai_product&#8221;:&#8221;&#8221;,&#8221;ai_version&#8221;:&#8221;&#8221;,&#8221;ai_score&#8221;:0}<\/p>\n","protected":false},"excerpt":{"rendered":"<p>{&#8220;lastseen&#8221;:&#8221;&#8221;,&#8221;description&#8221;:&#8221;Issue summary: An application trying to decrypt CMS messages encrypted using\\npassword based encryption can trigger an out-of-bounds read and write.\\n\\nImpact summary: This out-of-bounds read may&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2],"tags":[6,8,16,12,15,13,7,11,5],"class_list":["post-19751","post","type-post","status-publish","format-standard","hentry","category-category_cve","tag-cve","tag-cvss","tag-cvss-75","tag-exploit","tag-high","tag-news","tag-security","tag-tapic","tag-vulnerability"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Out-of-bounds read &amp; 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